<!-- Footer -->
<footer>
    <p>© 2018 Gandalf</p>
</footer>

<style>
    footer {
        position: fixed;
        bottom: 0;
        width: 100%;
        display: flex;
        justify-content: center;
        padding: 5px;
        background-color: black;
        color: #fff;
        height: 25px;
    }
    footer p{
        font-size: 18px;
    }

</style>